英语短语中人称变化Let sb do sthHelp sb to do sthIt's one's turn to do

英语短语中人称变化Let sb do sthHelp sb to do sthIt's one's turn to do 几个英语短语的区别help sb to do sthhelp sb do sthhelp sb with sth他们几个 let "s sb to do sth let's sb to do sth还是doing sth let sb to do 还是let sb do let sb do 为什么不是let sb to do? let sb do sth还是let sb to do sth let sb.do sth.or let sb.to do sth 英语翻译101) do one’s best (to do sth.)102) do all/everything sb take sb's turn to do sth 还是take sb's turn doing sth?为什么牛津字典里 急!翻译英语……1.do one’s best2.do all\everything sb can(to do sth) it's nice of sb to do